| 单相全桥PWM整流器的直接电流控制技术研究 |
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| 引用本文： | 李涛丰,欧阳晖,熊健,张凯. 单相全桥PWM整流器的直接电流控制技术研究[J]. 电力电子技术, 2010, 44(10) |
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| 作者姓名： | 李涛丰 欧阳晖 熊健 张凯 |
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| 作者单位： | 华中科技大学,电气与电子工程学院,湖北,武汉,430074 |
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| 摘 要： | 分析了采用IGBT全控型开关管的单相全桥整流电路及其相应的数学模型,根据稳态矢量关系,指出要实现整流器的单位功率因数控制,关键在于控制网侧电流。给出了PI调节器的控制结构框图,分别对电压外环和电流内环的PI调节器参数进行了设计,并采用Matlab/Simulink对整个控制系统进行建模和仿真验证。最后制作了3 kW的小样机进行实验,实验结果表明双闭环PI调节器能很好地满足整流器控制系统的稳定性和动态性要求。
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| 关 键 词： | 整流器 稳态矢量 脉宽调制 直接电流控制 |
The Research of Single-phase Full-bridge PWM Rectifier Based on Direct Current Control Technology |
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| LI Tao-feng,OUYANG Hui,XIONG Jian,ZHANG Kai. The Research of Single-phase Full-bridge PWM Rectifier Based on Direct Current Control Technology[J]. Power Electronics, 2010, 44(10) |
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| Authors: | LI Tao-feng OUYANG Hui XIONG Jian ZHANG Kai |
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| Affiliation: | LI Tao-feng,OUYANG Hui,XIONG Jian,ZHANG Kai(Huazhong University of Science , Technology,Wuhan 430074,China) |
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| Abstract: | The circuit and corresponding mathematic model of single-phase PWM rectifier using IGBT as switches are analyzed,under steady state vector relationship,the key which achieve unity power factor is to control grid-side cur-rent.The controllable structural chart is derived,and the PI adjustor of the current and voltage loops is designed re-spectively.Adopting the method based on the Matlab/Simulink blocks to carry out modeling and simulation for the control system.A 3 kW prototype is produced,the simulation an... |
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| Keywords: | rectifier steady state vector pulse width modulation direct current control |
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